Adding and Subtracting Decimals

Front

What is a decimal?

Back

A decimal is a number that includes a decimal point, which separates the whole number part from the fractional part.

Front

How do you add decimals?

Back

To add decimals, align the numbers by the decimal point and add as you would with whole numbers, placing the decimal point in the sum directly below the other decimal points.

Front

How do you subtract decimals?

Back

To subtract decimals, align the numbers by the decimal point and subtract as you would with whole numbers, placing the decimal point in the difference directly below the other decimal points.

Front

What is the value of 0.4 in fraction form?

Back

0.4 is equal to 4/10 or simplified, 2/5.

Front

What is the least value among 0.004, 0.04, and 0.4?

Back

0.004 is the least value.

Front

If you have $40.00 and spend $14.95, how much do you have left?

Back

You have $25.05 left.

Front

What is the perimeter of a rectangle with length 12.5 in and width 10.3 in?

Back

The perimeter is 45.6 in.

Front

How do you compare decimals?

Back

To compare decimals, look at the digits from left to right, starting with the highest place value.

Front

What is 0.4567 rounded to two decimal places?

Back

0.46 is 0.4567 rounded to two decimal places.

Front

What is the sum of 23.95 and 14.95?

Back

The sum is 38.90.